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-rw-r--r--frontends/verilog/preproc.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/frontends/verilog/preproc.cc b/frontends/verilog/preproc.cc
index 4e5d16599..e2118630e 100644
--- a/frontends/verilog/preproc.cc
+++ b/frontends/verilog/preproc.cc
@@ -201,7 +201,7 @@ static void input_file(std::istream &f, std::string filename)
insert_input("");
auto it = input_buffer.begin();
- input_buffer.insert(it, "`file_push " + filename + "\n");
+ input_buffer.insert(it, "`file_push \"" + filename + "\"\n");
while ((rc = readsome(f, buffer, sizeof(buffer)-1)) > 0) {
buffer[rc] = 0;
input_buffer.insert(it, buffer);